Alert archive / New Jersey / River Flood Warnings in 2024

River Flood Warning 86, NWS Philadelphia/Mount Holly

April 4, 2024Passaic County, New Jersey

NWS Philadelphia/Mount Holly issued this river flood warning at Apr 4, 2024, 4:40 AM EDT for Passaic County, New Jersey. It took effect at Apr 4, 2024, 8:00 AM EDT. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued: Apr 4, 2024, 4:40 AM EDT (08:40 UTC)
In effect from: Apr 4, 2024, 8:00 AM EDT
Expired: Apr 4, 2024, 3:22 PM EDT
In force: 7 hr
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Flood severity: Minor

County Passaic County, NJ

The radar

The Brookhaven radar (KOKX), 121 km from the middle of the area, began a volume at 08:41 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The river

Written for the forecast point Wanaque River at Wanaque (WNQN4). The gauge peaked at 5.73 ft at Apr 4, 2024, 9:00 AM EDT.

Action stage: 5 ft
Minor stage: 6 ft
Moderate stage: 8 ft
Major stage: 9 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01387000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The text

As transmitted.

719 
WGUS41 KPHI 040840
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
440 AM EDT Thu Apr 4 2024

...The National Weather Service in Mount Holly NJ has issued a Flood 
Warning for the following rivers in New Jersey...

  Wanaque River At Wanaque Dam affecting Passaic County.



For the Wanaque River...including Wanaque Dam...Minor flooding is 
forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles.

Additional information is available at www.weather.gov/phi.

The next statement will be issued this evening at 600 PM EDT.

&&

NJC031-042200-
/O.NEW.KPHI.FL.W.0086.240404T1200Z-240405T1800Z/
/WNQN4.1.ER.240404T1500Z.240405T0000Z.240405T1400Z.NO/
440 AM EDT Thu Apr 4 2024

...FLOOD WARNING IN EFFECT FROM THIS MORNING TO EARLY TOMORROW 
AFTERNOON...

* WHAT...Minor flooding is forecast.

* WHERE...Wanaque River at Wanaque Dam.

* WHEN...From this morning to early tomorrow afternoon.

* IMPACTS...At 5.0 feet, Open adjacent land begins to flood. Waters 
  rise around Wilderness Island Park.
  At 6.0 feet, John E. Murrin Park begins to flood. Hershfield Park 
  floods. The athletic fields begin to take on water. Parking lots 
  and Hershfield Park Place floods. Carlough Field floods.
  At 7.0 feet, Back Beach Park in Wanaque begins to flood. The light 
  industrial area off of Lakeside Avenue in Pompton Lakes floods. 
  VFW Way in Pompton Lakes begins to flood. Backyards flood on 
  Henderson Court and Hill Court in Pompton Lakes.

* ADDITIONAL DETAILS...
  - At 4:10 AM EDT Thursday the stage was 5.5 feet.
  - Forecast...The river is expected to rise above flood stage
    late this morning to a crest of 6.2 feet this evening. It
    will then fall below flood stage late tomorrow morning.
  - Flood stage is 6.0 feet.
  - Flood History...This crest compares to a previous crest of
    6.1 feet on 03/31/2010.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (2 am)        Crest
Location        Stg   Stg Day/Time    Fri  Sat        Stg Time Date

Wanaque River
Wanaque Dam     6.0   5.5  Thu 4 am   6.2  5.1        6.2 8pm 4/04


&&

LAT...LON 4107 7430 4106 7423 4098 7426 4099 7432


$$

MJL

2 follow-up statements

849 
WGUS81 KPHI 041614
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
1214 PM EDT Thu Apr 4 2024

...The Flood Warning continues for the following rivers in New 
Jersey...

  Wanaque River At Wanaque Dam affecting Passaic County.



For the Wanaque River...including Wanaque Dam...Minor flooding is 
forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles.

Additional information is available at www.weather.gov/phi.

The next statement will be issued late tonight at 1215 AM EDT.

&&

NJC031-050415-
/O.CON.KPHI.FL.W.0086.000000T0000Z-240405T1800Z/
/WNQN4.1.ER.240404T1800Z.240405T0000Z.240405T0600Z.NO/
1214 PM EDT Thu Apr 4 2024

...FLOOD WARNING REMAINS IN EFFECT UNTIL EARLY TOMORROW AFTERNOON...

* WHAT...Minor flooding is forecast.

* WHERE...Wanaque River at Wanaque Dam.

* WHEN...Until early tomorrow afternoon.

* IMPACTS...At 5.0 feet, Open adjacent land begins to flood. Waters 
  rise around Wilderness Island Park.
  At 6.0 feet, John E. Murrin Park begins to flood. Hershfield Park 
  floods. The athletic fields begin to take on water. Parking lots 
  and Hershfield Park Place floods. Carlough Field floods.
  At 7.0 feet, Back Beach Park in Wanaque begins to flood. The light 
  industrial area off of Lakeside Avenue in Pompton Lakes floods. 
  VFW Way in Pompton Lakes begins to flood. Backyards flood on 
  Henderson Court and Hill Court in Pompton Lakes.

* ADDITIONAL DETAILS...
  - At 11:10 AM EDT Thursday the stage was 5.8 feet.
  - Forecast...The river is expected to rise above flood stage
    this afternoon to a crest of 6.1 feet this evening. It will
    then fall below flood stage just after midnight tonight.
  - Flood stage is 6.0 feet.
  - Flood History...This crest compares to a previous crest of
    6.1 feet on 03/31/2010.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (2 pm)        Crest
Location        Stg   Stg Day/Time    Fri  Sat        Stg Time Date

Wanaque River
Wanaque Dam     6.0   5.8  Thu 11 a   5.6  4.1        6.1 8pm 4/04


&&

LAT...LON 4107 7430 4106 7423 4098 7426 4099 7432


$$

Kruzdlo

937 
WGUS81 KPHI 041922
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
322 PM EDT Thu Apr 4 2024

...The Flood Warning is cancelled for the following rivers in New 
Jersey...

  Wanaque River At Wanaque Dam affecting Passaic County.



NJC031-042030-
/O.CAN.KPHI.FL.W.0086.000000T0000Z-240404T1922Z/
/WNQN4.1.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
322 PM EDT Thu Apr 4 2024

...FLOOD WARNING IS CANCELLED...

The Flood Warning is cancelled for
  the Wanaque River At Wanaque Dam.

* ADDITIONAL DETAILS...
  - At 3:10 PM EDT Thursday the stage was 5.6 feet and falling.
  - Forecast...The river is expected to fall to 3.0 feet early
    Sunday afternoon.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (2 pm)        Crest
Location        Stg   Stg Day/Time    Fri  Sat        Stg Time Date

Wanaque River
Wanaque Dam     6.0   5.6  Thu 3 pm   5.1  3.7     Crested & Falling


&&

LAT...LON 4107 7430 4106 7423 4098 7426 4099 7432


$$

Hoeflich

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 3, 8:04 PM EDT	Small Craft Advisory	PHI		42 hr
Apr 3, 10:11 PM EDT	Special Marine Warning	PHI		34 min
Apr 3, 10:16 PM EDT	Special Marine Warning	PHI		44 min
Apr 3, 10:46 PM EDT	Special Marine Warning	PHI		59 min
Apr 3, 11:20 PM EDT	Special Marine Warning	PHI		55 min
Apr 3, 11:23 PM EDT	Special Marine Warning	PHI		52 min
Apr 4, 12:06 AM EDT	Special Marine Warning	PHI		39 min
Apr 4, 12:16 AM EDT	Special Marine Warning	PHI		59 min
Apr 4, 12:45 AM EDT	Special Marine Warning	PHI		7 min
Apr 4, 1:32 AM EDT	River Flood Warning	PHI	Middlesex, Somerset	12 hr
Apr 4, 1:37 AM EDT	Areal Flood Warning	PHI	Cumberland, Salem	70 hr
Apr 4, 2:20 AM EDT	Areal Flood Warning	PHI	Warren	26 hr
Apr 4, 7:42 AM EDT	River Flood Warning	PHI	Essex, Passaic	3 days
Apr 4, 7:43 AM EDT	River Flood Warning	PHI	Essex, Morris, Passaic	4 days
Apr 4, 10:07 AM EDT	Coastal Flood Warning	PHI	Ocean	4 hr
Apr 4, 10:07 AM EDT	Coastal Flood Advisory	PHI	Ocean	16 hr
Apr 4, 6:35 PM EDT	Special Marine Warning	PHI		55 min
Apr 4, 6:43 PM EDT	Special Marine Warning	PHI		62 min

Nearby

River Flood Warnings in New Jersey, 2024 Every river flood warning in 2024

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.